fr calculator

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Quad Antenna On-line Calculator - Cubical Quad Antenna On-line Calculator helps on defining the size of each element and spreader. Simply give the resonating frequency and it will calculate size of each element.
[ Hits: 292 | Votes: 1 | Rating: 5 ]
Slim Jim Antenna Calculator by M0NWK - Easy to use online Slim Jim antenna calculator. Input your frequency to automatically calculate the lengths of the different antenna parts.
[ Hits: 189 | Votes: 4 | Rating: 8.5 ]
3 Element Yagi Calculator - This calculator is designed to give the critical information of a particular beam antenna, in this case a three element Yagi, for the frequency chosen.
[ Hits: 437 | Votes: 5 | Rating: 5.6 ]
Double BiQuad Antenna Calculator - Online antenna calculator for homemade double biquad antenna for UMTS 3G 4G WiMAX WiFi frequencies. Article includes also a simple biquad antenna for 4g
[ Hits: 159 | Votes: 2 | Rating: 5.5 ]
Yagi Uda Antenna Online Calculator ^updated - A basic YAGI UDA online antenna calculator, accept as input frequency, number of elements, diameter of parasitic element and boom diameter. This online calculator will generate a basic design data including each element length and spacing.
[ Hits: 110 | Votes: 4 | Rating: 6.25 ]

HB9CV Online Antenna Calculator - Online HB9CV antenna calculator, accept as input the desired resonating frequency and provides dimensions for spacing and length of each element, including boom and radiator diameter.
[ Hits: 218 | Votes: 4 | Rating: 10 ]

Log Periodic Dipole Array Calculator - Description and online calculator for Log Periodic Dipole Arrays LPDA are directional antennas featuring a relatively constant characteristics across a wide frequency range.
[ Hits: 226 | Votes: 2 | Rating: 6 ]

Cantenna Calculator - Aka Circular Waveguide Antenna. This online antenna calculator let you plan your cantenna for the desired frequency of operation, giving the Can diameter you have available.
[ Hits: 378 | Votes: 5 | Rating: 4 ]

Small Loop Antenna Calculator by KY8D - A free Labview antenna calculator program. This interesting calculator for small loop antennas can be ran on most recent Windows versions using the Labview runtime.
[ Hits: 340 | Votes: 4 | Rating: 6.5 ]

One-turn loop inductance Online Calculator - The high-frequency inductance of single-turn loops of various shapes made of round wire can be estimated accurately with a simplified formula
[ Hits: 122 | Votes: 1 | Rating: 10 ]
RF Inductor Calculator - This air-core solenoid style RF inductor calculator calculates the inductance, wire size, number of turns, and other parameters for an air-core solenoid inductor used in radio frequency (RF) circuits, based on user input of frequency, desired inductance value, and physical dimensions.
[ Hits: 100 | Votes: 3 | Rating: 7 ]

WinRFCalc Free Windows RF Calculator - A multi tool Windows program that has been designed to offer the EMC RF and Radio Engineer a large variety of tools for Attenuation calculation, VSWR analysis, FIR Filter calculations, EMC system configuration, Radar testing , RF Filter calculation and much more without the need of a live internet connection.
[ Hits: 211 | Votes: 0 | Rating: 0 ]

Free ham radio utilities written in LabVIEW - Free ham radio utilities written in LabVIEW includes Open Wire Calculator, Dipole Peak/Null Angle Calculator, a Coil-Shortened Antenna Calculator ad interesting Round Coil Inductance Calculator and a Skyloop Antenna Calculator
[ Hits: 294 | Votes: 2 | Rating: 5.5 ]

SNASharp - SNASharp is a free software application designed to work with scalar network analyzers compatible with NWT software from DL4JAL. It is used to measure and analyze the scattering parameters (S-parameters) of microwave devices. Provide several measurements and analysis tools including Smith chart, Polar plot, S-parameter tables, Transmission line calculator
[ Hits: 69 | Votes: 0 | Rating: 0 ]

RF Impedance Matching Calculator - Calculates the network to match a line to a specific complex load. This online tool calculates the matching network necessary to terminate a line of the specified characteristic impedence Zo in a specific complex load impedence RL + jXL at a specified frequency.
[ Hits: 194 | Votes: 1 | Rating: 10 ]
Online Toroid Multi Calculator - This website provide online calculator for several values about a large variety of toroids. Freq/L/C/Z/Turns Calculator, Impedance Matching Network Calculator
[ Hits: 212 | Votes: 3 | Rating: 5 ]
Bandpass Filter Calculator - Passive Bandpass Filter online calculator and filter formulas. Active Inverting Op Amp Bandpass Filters, Active Noninverting Op Amp Bandpass Filter, just enter the Low ir High Cutoff Frequency
[ Hits: 166 | Votes: 3 | Rating: 5.33 ]

RF Toroid Calculator - This RF Toroid Calculator provides graphical calculator used to determine the inductance and other parameters of ferrite and powdered-iron toroids. It simplifies the process of selecting the appropriate toroid for use in radio frequency (RF) circuits
[ Hits: 102 | Votes: 2 | Rating: 10 ]

RF Exposure Calculator - To use the RF Exposure Calculator, fill-in the form with your operating power, antenna gain, and the operating frequency. Depending on how far above ground the RF source is located, you might want to consider ground reflections too.
[ Hits: 102 | Votes: 0 | Rating: 0 ]